20294131240

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1\times {\mathrm{3659}}^1$

素因数の和:4426

約数の個数: 64

約数和(自身を含む): 45923630400

約数和(自身を除く): 25629499160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 443, 626, 886, 1252, 1565, 1772, 2215, 2504, 3130, 3544, 3659, 4430, 6260, 7318, 8860, 12520, 14636, 17720, 18295, 29272, 36590, 73180, 138659, 146360, 277318, 554636, 693295, 1109272, 1145267, 1386590, 1620937, 2290534, 2773180, 3241874, 4581068, 5546360, 5726335, 6483748, 8104685, 9162136, 11452670, 12967496, 16209370, 22905340, 32418740, 45810680, 64837480, 507353281, 1014706562, 2029413124, 2536766405, 4058826248, 5073532810, 10147065620, 20294131240]

約数ペア:

[(1, 20294131240), (2, 10147065620), (4, 5073532810), (5, 4058826248), (8, 2536766405), (10, 2029413124), (20, 1014706562), (40, 507353281), (313, 64837480), (443, 45810680), (626, 32418740), (886, 22905340), (1252, 16209370), (1565, 12967496), (1772, 11452670), (2215, 9162136), (2504, 8104685), (3130, 6483748), (3544, 5726335), (3659, 5546360), (4430, 4581068), (6260, 3241874), (7318, 2773180), (8860, 2290534), (12520, 1620937), (14636, 1386590), (17720, 1145267), (18295, 1109272), (29272, 693295), (36590, 554636), (73180, 277318), (138659, 146360)]